| Rumst to Navodari | 1,211.22 mi (1,949.26 km) |
| Rumst to Negresti-Oas | 879.00 mi (1,414.61 km) |
| Rumst to Nehoiu | 1,077.60 mi (1,734.23 km) |
| Rumst to Ocna Mures | 940.07 mi (1,512.90 km) |
| Rumst to Odobesti | 1,096.28 mi (1,764.29 km) |
| Rumst to Odorheiu Secuiesc | 1,003.72 mi (1,615.33 km) |
| Rumst to Oltenita | 1,136.89 mi (1,829.65 km) |
| Rumst to Onesti | 1,068.11 mi (1,718.96 km) |
| Rumst to Oradea | 836.87 mi (1,346.81 km) |
| Rumst to Orastie | 930.07 mi (1,496.80 km) |
| Rumst to Oravita | 897.08 mi (1,443.71 km) |
| Rumst to Orsova | 938.10 mi (1,509.72 km) |
| Rumst to Otelu Rosu | 906.52 mi (1,458.90 km) |
| Rumst to Otopeni | 1,096.07 mi (1,763.95 km) |
| Rumst to Ovidiu | 1,210.80 mi (1,948.60 km) |
