| Wermelskirchen to Navodari | 1,095.21 mi (1,762.57 km) |
| Wermelskirchen to Negresti-Oas | 759.81 mi (1,222.80 km) |
| Wermelskirchen to Nehoiu | 961.52 mi (1,547.42 km) |
| Wermelskirchen to Ocna Mures | 823.82 mi (1,325.81 km) |
| Wermelskirchen to Odobesti | 978.78 mi (1,575.20 km) |
| Wermelskirchen to Odorheiu Secuiesc | 886.43 mi (1,426.58 km) |
| Wermelskirchen to Oltenita | 1,023.31 mi (1,646.85 km) |
| Wermelskirchen to Onesti | 949.93 mi (1,528.76 km) |
| Wermelskirchen to Oradea | 720.66 mi (1,159.79 km) |
| Wermelskirchen to Orastie | 815.95 mi (1,313.14 km) |
| Wermelskirchen to Oravita | 787.84 mi (1,267.91 km) |
| Wermelskirchen to Orsova | 828.69 mi (1,333.64 km) |
| Wermelskirchen to Otelu Rosu | 794.55 mi (1,278.70 km) |
| Wermelskirchen to Otopeni | 982.03 mi (1,580.42 km) |
| Wermelskirchen to Ovidiu | 1,094.93 mi (1,762.13 km) |
