| Felton to Oerlinghausen | 481.50 mi (774.90 km) |
| Felton to Oestrich-Winkel | 473.37 mi (761.82 km) |
| Felton to Offenburg | 511.33 mi (822.90 km) |
| Felton to Oftersheim | 512.21 mi (824.32 km) |
| Felton to Ohrdruf | 577.61 mi (929.58 km) |
| Felton to Ohringen | 554.93 mi (893.08 km) |
| Felton to Olbernhau | 691.44 mi (1,112.76 km) |
| Felton to Olching | 658.43 mi (1,059.65 km) |
| Felton to Oldenburg | 468.82 mi (754.49 km) |
| Felton to Oldenburg in Holstein | 591.91 mi (952.58 km) |
| Felton to Olfen | 427.12 mi (687.38 km) |
| Felton to Olpe | 450.86 mi (725.59 km) |
| Felton to Olsberg | 476.00 mi (766.04 km) |
| Felton to Oranienburg | 674.67 mi (1,085.78 km) |
| Felton to Ortenberg | 512.07 mi (824.10 km) |
