| Milford Mill to Oerlinghausen | 3,972.90 mi (6,393.77 km) |
| Milford Mill to Oestrich-Winkel | 4,002.38 mi (6,441.20 km) |
| Milford Mill to Offenburg | 4,044.54 mi (6,509.05 km) |
| Milford Mill to Oftersheim | 4,044.45 mi (6,508.91 km) |
| Milford Mill to Ohrdruf | 4,086.80 mi (6,577.07 km) |
| Milford Mill to Ohringen | 4,086.73 mi (6,576.96 km) |
| Milford Mill to Olbernhau | 4,193.39 mi (6,748.60 km) |
| Milford Mill to Olching | 4,191.81 mi (6,746.07 km) |
| Milford Mill to Oldenburg | 3,923.10 mi (6,313.61 km) |
| Milford Mill to Oldenburg in Holstein | 3,991.38 mi (6,423.51 km) |
| Milford Mill to Olfen | 3,929.62 mi (6,324.11 km) |
| Milford Mill to Olpe | 3,966.78 mi (6,383.92 km) |
| Milford Mill to Olsberg | 3,983.09 mi (6,410.17 km) |
| Milford Mill to Oranienburg | 4,124.31 mi (6,637.44 km) |
| Milford Mill to Ortenberg | 4,034.40 mi (6,492.74 km) |
