| Frodsham to Oerlinghausen | 485.91 mi (781.99 km) |
| Frodsham to Oestrich-Winkel | 512.38 mi (824.60 km) |
| Frodsham to Offenburg | 571.04 mi (919.01 km) |
| Frodsham to Oftersheim | 557.57 mi (897.33 km) |
| Frodsham to Ohrdruf | 595.51 mi (958.39 km) |
| Frodsham to Ohringen | 598.57 mi (963.30 km) |
| Frodsham to Olbernhau | 705.41 mi (1,135.25 km) |
| Frodsham to Olching | 705.88 mi (1,136.01 km) |
| Frodsham to Oldenburg | 452.22 mi (727.77 km) |
| Frodsham to Oldenburg in Holstein | 558.78 mi (899.27 km) |
| Frodsham to Olfen | 438.46 mi (705.63 km) |
| Frodsham to Olpe | 473.90 mi (762.67 km) |
| Frodsham to Olsberg | 491.46 mi (790.92 km) |
| Frodsham to Oranienburg | 663.00 mi (1,067.00 km) |
| Frodsham to Ortenberg | 541.70 mi (871.78 km) |
