| Seymour to Orangeburg (South Carolina) | 469.36 mi (755.36 km) |
| Seymour to Orangevale (California) | 1,889.91 mi (3,041.52 km) |
| Seymour to Orchards (Washington) | 1,910.95 mi (3,075.38 km) |
| Seymour to Orcutt (California) | 1,916.83 mi (3,084.83 km) |
| Seymour to Oregon (Ohio) | 227.39 mi (365.94 km) |
| Seymour to Oregon (Wisconsin) | 329.88 mi (530.89 km) |
| Seymour to Oregon City (Oregon) | 1,913.71 mi (3,079.82 km) |
| Seymour to Orem (Utah) | 1,371.82 mi (2,207.72 km) |
| Seymour to Orinda (California) | 1,952.87 mi (3,142.84 km) |
| Seymour to Orland Park (Illinois) | 211.10 mi (339.73 km) |
| Seymour to Orlando (Florida) | 769.03 mi (1,237.63 km) |
| Seymour to Ormond Beach (Florida) | 720.48 mi (1,159.50 km) |
| Seymour to Oro Valley (Arizona) | 1,472.74 mi (2,370.15 km) |
| Seymour to Oroville (California) | 1,897.14 mi (3,053.15 km) |
| Seymour to Oshkosh (Wisconsin) | 376.86 mi (606.50 km) |
