| Pianella to Oerlinghausen | 707.20 mi (1,138.12 km) |
| Pianella to Oestrich-Winkel | 599.07 mi (964.11 km) |
| Pianella to Offenburg | 513.11 mi (825.76 km) |
| Pianella to Oftersheim | 548.33 mi (882.46 km) |
| Pianella to Ohrdruf | 603.07 mi (970.54 km) |
| Pianella to Ohringen | 518.20 mi (833.96 km) |
| Pianella to Olbernhau | 572.18 mi (920.84 km) |
| Pianella to Olching | 422.11 mi (679.32 km) |
| Pianella to Oldenburg | 789.60 mi (1,270.74 km) |
| Pianella to Oldenburg in Holstein | 834.75 mi (1,343.40 km) |
| Pianella to Olfen | 715.42 mi (1,151.35 km) |
| Pianella to Olpe | 663.66 mi (1,068.05 km) |
| Pianella to Olsberg | 671.47 mi (1,080.63 km) |
| Pianella to Oranienburg | 716.41 mi (1,152.95 km) |
| Pianella to Ortenberg | 598.69 mi (963.51 km) |
