| Rancho Santa Margarita to Timberwood Park (Texas) | 1,154.60 mi (1,858.15 km) |
| Rancho Santa Margarita to Timonium (Maryland) | 2,290.93 mi (3,686.89 km) |
| Rancho Santa Margarita to Tinley Park (Illinois) | 1,710.63 mi (2,752.99 km) |
| Rancho Santa Margarita to Tinton Falls (New Jersey) | 2,420.70 mi (3,895.74 km) |
| Rancho Santa Margarita to Tipp City (Ohio) | 1,887.85 mi (3,038.20 km) |
| Rancho Santa Margarita to Titusville (Florida) | 2,192.20 mi (3,528.00 km) |
| Rancho Santa Margarita to Toledo (Ohio) | 1,927.82 mi (3,102.53 km) |
| Rancho Santa Margarita to Tomball (Texas) | 1,310.11 mi (2,108.41 km) |
| Rancho Santa Margarita to Tonawanda (New York) | 2,175.00 mi (3,500.32 km) |
| Rancho Santa Margarita to Tooele (Utah) | 559.03 mi (899.67 km) |
| Rancho Santa Margarita to Topeka (Kansas) | 1,271.37 mi (2,046.07 km) |
| Rancho Santa Margarita to Torrance (California) | 44.92 mi (72.30 km) |
| Rancho Santa Margarita to Torrington (Connecticut) | 2,466.49 mi (3,969.43 km) |
| Rancho Santa Margarita to Totowa (New Jersey) | 2,411.99 mi (3,881.72 km) |
| Rancho Santa Margarita to Town 'n' Country (Florida) | 2,103.77 mi (3,385.69 km) |
