| Saarwellingen to Oerlinghausen | 198.05 mi (318.73 km) |
| Saarwellingen to Oestrich-Winkel | 69.61 mi (112.02 km) |
| Saarwellingen to Offenburg | 79.91 mi (128.60 km) |
| Saarwellingen to Oftersheim | 80.09 mi (128.89 km) |
| Saarwellingen to Ohrdruf | 201.67 mi (324.55 km) |
| Saarwellingen to Ohringen | 121.94 mi (196.25 km) |
| Saarwellingen to Olbernhau | 303.61 mi (488.61 km) |
| Saarwellingen to Olching | 220.32 mi (354.57 km) |
| Saarwellingen to Oldenburg | 268.82 mi (432.63 km) |
| Saarwellingen to Oldenburg in Holstein | 383.39 mi (617.00 km) |
| Saarwellingen to Olfen | 165.20 mi (265.86 km) |
| Saarwellingen to Olpe | 123.54 mi (198.83 km) |
| Saarwellingen to Olsberg | 156.48 mi (251.83 km) |
| Saarwellingen to Oranienburg | 364.76 mi (587.02 km) |
| Saarwellingen to Ortenberg | 121.80 mi (196.02 km) |
