| Longwy to Oestrich-Winkel | 105.31 mi (169.48 km) |
| Longwy to Offenburg | 122.45 mi (197.06 km) |
| Longwy to Oftersheim | 127.28 mi (204.83 km) |
| Longwy to Ohrdruf | 237.81 mi (382.72 km) |
| Longwy to Ohringen | 169.70 mi (273.11 km) |
| Longwy to Olbernhau | 344.73 mi (554.79 km) |
| Longwy to Olching | 268.44 mi (432.01 km) |
| Longwy to Oldenburg | 271.84 mi (437.49 km) |
| Longwy to Oldenburg in Holstein | 395.71 mi (636.83 km) |
| Longwy to Olfen | 167.63 mi (269.77 km) |
| Longwy to Olpe | 138.11 mi (222.27 km) |
| Longwy to Olsberg | 174.19 mi (280.33 km) |
| Longwy to Oranienburg | 393.39 mi (633.11 km) |
| Longwy to Ortenberg | 157.47 mi (253.43 km) |
| Longwy to Oschatz | 345.90 mi (556.68 km) |
