| Fort Mill to Opole | 4,745.05 mi (7,636.42 km) |
| Fort Mill to Orzesze | 4,794.05 mi (7,715.28 km) |
| Fort Mill to Osowa | 4,637.98 mi (7,464.10 km) |
| Fort Mill to Ostroda | 4,715.48 mi (7,588.83 km) |
| Fort Mill to Ostroleka | 4,794.51 mi (7,716.02 km) |
| Fort Mill to Ostrow Mazowiecka | 4,815.97 mi (7,750.55 km) |
| Fort Mill to Ostrow Wielkopolski | 4,707.23 mi (7,575.56 km) |
| Fort Mill to Ostrowiec Swietokrzyski | 4,865.69 mi (7,830.58 km) |
| Fort Mill to Ostrzeszow | 4,719.49 mi (7,595.29 km) |
| Fort Mill to Oswiecim | 4,815.98 mi (7,750.57 km) |
| Fort Mill to Otwock | 4,817.92 mi (7,753.69 km) |
| Fort Mill to Ozarow Mazowiecki | 4,797.43 mi (7,720.71 km) |
| Fort Mill to Ozimek | 4,755.47 mi (7,653.19 km) |
| Fort Mill to Ozorkow | 4,750.80 mi (7,645.68 km) |
| Fort Mill to Pabianice | 4,765.51 mi (7,669.34 km) |
