| Rancho Santa Margarita to Troy (Michigan) | 1,956.93 mi (3,149.38 km) |
| Rancho Santa Margarita to Troy (Missouri) | 1,521.93 mi (2,449.31 km) |
| Rancho Santa Margarita to Troy (New York) | 2,437.67 mi (3,923.05 km) |
| Rancho Santa Margarita to Troy (Ohio) | 1,886.43 mi (3,035.91 km) |
| Rancho Santa Margarita to Truckee (California) | 420.05 mi (676.00 km) |
| Rancho Santa Margarita to Trujillo Alto (Puerto Rico) | 3,336.19 mi (5,369.07 km) |
| Rancho Santa Margarita to Trumbull Center (Connecticut) | 2,465.06 mi (3,967.12 km) |
| Rancho Santa Margarita to Trussville (Alabama) | 1,777.46 mi (2,860.54 km) |
| Rancho Santa Margarita to Tualatin (Oregon) | 856.67 mi (1,378.68 km) |
| Rancho Santa Margarita to Tuckahoe (Virginia) | 2,247.22 mi (3,616.55 km) |
| Rancho Santa Margarita to Tucker (Georgia) | 1,910.35 mi (3,074.41 km) |
| Rancho Santa Margarita to Tucson (Arizona) | 402.94 mi (648.47 km) |
| Rancho Santa Margarita to Tucson Estates (Arizona) | 388.55 mi (625.31 km) |
| Rancho Santa Margarita to Tucson Mountains (Arizona) | 389.33 mi (626.57 km) |
| Rancho Santa Margarita to Tukwila (Washington) | 986.96 mi (1,588.36 km) |
