| Salcea to Oerlinghausen | 841.21 mi (1,353.80 km) |
| Salcea to Oestrich-Winkel | 848.97 mi (1,366.28 km) |
| Salcea to Offenburg | 851.21 mi (1,369.89 km) |
| Salcea to Oftersheim | 820.76 mi (1,320.88 km) |
| Salcea to Ohrdruf | 737.16 mi (1,186.35 km) |
| Salcea to Ohringen | 779.21 mi (1,254.01 km) |
| Salcea to Olbernhau | 623.84 mi (1,003.98 km) |
| Salcea to Olching | 696.88 mi (1,121.52 km) |
| Salcea to Oldenburg | 881.91 mi (1,419.29 km) |
| Salcea to Oldenburg in Holstein | 812.74 mi (1,307.98 km) |
| Salcea to Olfen | 891.06 mi (1,434.02 km) |
| Salcea to Olpe | 863.82 mi (1,390.18 km) |
| Salcea to Olsberg | 839.87 mi (1,351.64 km) |
| Salcea to Oranienburg | 677.99 mi (1,091.12 km) |
| Salcea to Ortenberg | 804.76 mi (1,295.14 km) |
