| Ontario to The Villages (Florida) | 2,117.91 mi (3,408.45 km) |
| Ontario to The Woodlands (Texas) | 1,317.55 mi (2,120.39 km) |
| Ontario to Thibodaux (Louisiana) | 1,593.64 mi (2,564.71 km) |
| Ontario to Thomasville (Georgia) | 1,964.55 mi (3,161.63 km) |
| Ontario to Thomasville (North Carolina) | 2,115.70 mi (3,404.88 km) |
| Ontario to Thonotosassa (Florida) | 2,120.37 mi (3,412.40 km) |
| Ontario to Thornton (Colorado) | 807.27 mi (1,299.17 km) |
| Ontario to Thousand Oaks (California) | 73.36 mi (118.06 km) |
| Ontario to Three Lakes (Florida) | 2,290.56 mi (3,686.30 km) |
| Ontario to Tiffin (Ohio) | 1,933.81 mi (3,112.17 km) |
| Ontario to Tifton (Georgia) | 1,979.62 mi (3,185.89 km) |
| Ontario to Tigard (Oregon) | 832.85 mi (1,340.34 km) |
| Ontario to Tillmans Corner (Alabama) | 1,726.99 mi (2,779.32 km) |
| Ontario to Timberlake (Virginia) | 2,150.00 mi (3,460.09 km) |
| Ontario to Timberlane (Louisiana) | 1,636.77 mi (2,634.12 km) |
