| Ahaus to Navodari | 1,124.13 mi (1,809.11 km) |
| Ahaus to Negresti-Oas | 783.26 mi (1,260.53 km) |
| Ahaus to Nehoiu | 990.65 mi (1,594.30 km) |
| Ahaus to Ocna Mures | 853.10 mi (1,372.94 km) |
| Ahaus to Odobesti | 1,005.32 mi (1,617.90 km) |
| Ahaus to Odorheiu Secuiesc | 913.65 mi (1,470.38 km) |
| Ahaus to Oltenita | 1,055.94 mi (1,699.38 km) |
| Ahaus to Onesti | 975.13 mi (1,569.32 km) |
| Ahaus to Oradea | 750.46 mi (1,207.75 km) |
| Ahaus to Orastie | 848.51 mi (1,365.55 km) |
| Ahaus to Oravita | 826.22 mi (1,329.67 km) |
| Ahaus to Orsova | 866.73 mi (1,394.87 km) |
| Ahaus to Otelu Rosu | 829.93 mi (1,335.64 km) |
| Ahaus to Otopeni | 1,014.16 mi (1,632.14 km) |
| Ahaus to Ovidiu | 1,124.08 mi (1,809.03 km) |
