| Terneuzen to Navodari | 1,239.75 mi (1,995.19 km) |
| Terneuzen to Negresti-Oas | 906.27 mi (1,458.50 km) |
| Terneuzen to Nehoiu | 1,106.10 mi (1,780.10 km) |
| Terneuzen to Ocna Mures | 968.50 mi (1,558.66 km) |
| Terneuzen to Odobesti | 1,124.32 mi (1,809.42 km) |
| Terneuzen to Odorheiu Secuiesc | 1,031.82 mi (1,660.56 km) |
| Terneuzen to Oltenita | 1,166.01 mi (1,876.51 km) |
| Terneuzen to Onesti | 1,095.88 mi (1,763.64 km) |
| Terneuzen to Oradea | 865.29 mi (1,392.56 km) |
| Terneuzen to Orastie | 959.03 mi (1,543.42 km) |
| Terneuzen to Oravita | 926.84 mi (1,491.61 km) |
| Terneuzen to Orsova | 967.85 mi (1,557.60 km) |
| Terneuzen to Otelu Rosu | 935.89 mi (1,506.18 km) |
| Terneuzen to Otopeni | 1,125.08 mi (1,810.64 km) |
| Terneuzen to Ovidiu | 1,239.38 mi (1,994.59 km) |
