| Ephrata to Oerlinghausen | 3,910.74 mi (6,293.72 km) |
| Ephrata to Oestrich-Winkel | 3,941.12 mi (6,342.62 km) |
| Ephrata to Offenburg | 3,983.99 mi (6,411.61 km) |
| Ephrata to Oftersheim | 3,983.39 mi (6,410.65 km) |
| Ephrata to Ohrdruf | 4,024.85 mi (6,477.37 km) |
| Ephrata to Ohringen | 4,025.63 mi (6,478.62 km) |
| Ephrata to Olbernhau | 4,131.18 mi (6,648.48 km) |
| Ephrata to Olching | 4,130.88 mi (6,648.01 km) |
| Ephrata to Oldenburg | 3,860.52 mi (6,212.90 km) |
| Ephrata to Oldenburg in Holstein | 3,928.14 mi (6,321.74 km) |
| Ephrata to Olfen | 3,867.70 mi (6,224.46 km) |
| Ephrata to Olpe | 3,905.10 mi (6,284.66 km) |
| Ephrata to Olsberg | 3,921.20 mi (6,310.56 km) |
| Ephrata to Oranienburg | 4,061.37 mi (6,536.15 km) |
| Ephrata to Ortenberg | 3,972.86 mi (6,393.69 km) |
