| Selargius to Oerlinghausen | 878.70 mi (1,414.13 km) |
| Selargius to Oestrich-Winkel | 744.66 mi (1,198.42 km) |
| Selargius to Offenburg | 639.46 mi (1,029.12 km) |
| Selargius to Oftersheim | 699.58 mi (1,125.87 km) |
| Selargius to Ohrdruf | 803.34 mi (1,292.85 km) |
| Selargius to Ohringen | 687.43 mi (1,106.31 km) |
| Selargius to Olbernhau | 814.18 mi (1,310.29 km) |
| Selargius to Olching | 627.36 mi (1,009.64 km) |
| Selargius to Oldenburg | 960.76 mi (1,546.20 km) |
| Selargius to Oldenburg in Holstein | 1,042.71 mi (1,678.08 km) |
| Selargius to Olfen | 865.33 mi (1,392.62 km) |
| Selargius to Olpe | 815.28 mi (1,312.06 km) |
| Selargius to Olsberg | 836.41 mi (1,346.07 km) |
| Selargius to Oranienburg | 952.70 mi (1,533.23 km) |
| Selargius to Ortenberg | 767.10 mi (1,234.52 km) |
