| Santa Maria Capua Vetere to Oerlinghausen | 796.84 mi (1,282.39 km) |
| Santa Maria Capua Vetere to Oestrich-Winkel | 685.73 mi (1,103.58 km) |
| Santa Maria Capua Vetere to Offenburg | 596.37 mi (959.77 km) |
| Santa Maria Capua Vetere to Oftersheim | 635.06 mi (1,022.03 km) |
| Santa Maria Capua Vetere to Ohrdruf | 693.96 mi (1,116.82 km) |
| Santa Maria Capua Vetere to Ohringen | 606.40 mi (975.90 km) |
| Santa Maria Capua Vetere to Olbernhau | 663.60 mi (1,067.96 km) |
| Santa Maria Capua Vetere to Olching | 512.32 mi (824.50 km) |
| Santa Maria Capua Vetere to Oldenburg | 879.53 mi (1,415.47 km) |
| Santa Maria Capua Vetere to Oldenburg in Holstein | 926.24 mi (1,490.64 km) |
| Santa Maria Capua Vetere to Olfen | 803.39 mi (1,292.93 km) |
| Santa Maria Capua Vetere to Olpe | 751.45 mi (1,209.34 km) |
| Santa Maria Capua Vetere to Olsberg | 760.46 mi (1,223.84 km) |
| Santa Maria Capua Vetere to Oranienburg | 807.79 mi (1,300.01 km) |
| Santa Maria Capua Vetere to Ortenberg | 687.50 mi (1,106.42 km) |
