| Ottawa to Tulare (California) | 1,672.60 mi (2,691.79 km) |
| Ottawa to Tullahoma (Tennessee) | 436.84 mi (703.03 km) |
| Ottawa to Tulsa (Oklahoma) | 524.95 mi (844.82 km) |
| Ottawa to Tumwater (Washington) | 1,719.19 mi (2,766.77 km) |
| Ottawa to Tupelo (Mississippi) | 489.64 mi (788.00 km) |
| Ottawa to Turlock (California) | 1,720.08 mi (2,768.20 km) |
| Ottawa to Tuscaloosa (Alabama) | 565.59 mi (910.23 km) |
| Ottawa to Tustin (California) | 1,663.82 mi (2,677.67 km) |
| Ottawa to Twentynine Palms (California) | 1,561.57 mi (2,513.10 km) |
| Ottawa to Twin Falls (Idaho) | 1,314.71 mi (2,115.83 km) |
| Ottawa to Twin Rivers (New Jersey) | 752.55 mi (1,211.11 km) |
| Ottawa to Twinsburg (Ohio) | 382.79 mi (616.04 km) |
| Ottawa to Two Rivers (Wisconsin) | 203.55 mi (327.58 km) |
| Ottawa to Tyler (Texas) | 719.39 mi (1,157.75 km) |
| Ottawa to Tysons (Virginia) | 634.76 mi (1,021.55 km) |
