| Schwelm to Navodari | 1,095.55 mi (1,763.12 km) |
| Schwelm to Negresti-Oas | 759.27 mi (1,221.93 km) |
| Schwelm to Nehoiu | 961.87 mi (1,547.98 km) |
| Schwelm to Ocna Mures | 824.15 mi (1,326.35 km) |
| Schwelm to Odobesti | 978.75 mi (1,575.15 km) |
| Schwelm to Odorheiu Secuiesc | 886.48 mi (1,426.65 km) |
| Schwelm to Oltenita | 1,024.20 mi (1,648.28 km) |
| Schwelm to Onesti | 949.70 mi (1,528.39 km) |
| Schwelm to Oradea | 721.04 mi (1,160.40 km) |
| Schwelm to Orastie | 816.78 mi (1,314.48 km) |
| Schwelm to Oravita | 789.58 mi (1,270.71 km) |
| Schwelm to Orsova | 830.38 mi (1,336.37 km) |
| Schwelm to Otelu Rosu | 795.81 mi (1,280.73 km) |
| Schwelm to Otopeni | 982.83 mi (1,581.72 km) |
| Schwelm to Ovidiu | 1,095.31 mi (1,762.73 km) |
