| Neckarsulm to Octeville | 489.06 mi (787.07 km) |
| Neckarsulm to Oignies | 291.29 mi (468.79 km) |
| Neckarsulm to Oissel | 366.66 mi (590.09 km) |
| Neckarsulm to Olivet | 347.30 mi (558.92 km) |
| Neckarsulm to Ollioules | 448.20 mi (721.31 km) |
| Neckarsulm to Olonne-sur-Mer | 541.19 mi (870.96 km) |
| Neckarsulm to Oloron-Sainte-Marie | 625.84 mi (1,007.19 km) |
| Neckarsulm to Onet Village | 457.51 mi (736.29 km) |
| Neckarsulm to Onnaing | 264.15 mi (425.12 km) |
| Neckarsulm to Orange | 406.94 mi (654.90 km) |
| Neckarsulm to Orchies | 280.78 mi (451.88 km) |
| Neckarsulm to Orleans | 346.11 mi (557.01 km) |
| Neckarsulm to Orly | 311.31 mi (501.01 km) |
| Neckarsulm to Ormesson-sur-Marne | 304.35 mi (489.80 km) |
| Neckarsulm to Orsay | 321.04 mi (516.66 km) |
