| Aalst to Navodari | 1,225.01 mi (1,971.46 km) |
| Aalst to Negresti-Oas | 894.13 mi (1,438.96 km) |
| Aalst to Nehoiu | 1,091.45 mi (1,756.53 km) |
| Aalst to Ocna Mures | 954.03 mi (1,535.37 km) |
| Aalst to Odobesti | 1,110.65 mi (1,787.42 km) |
| Aalst to Odorheiu Secuiesc | 1,018.03 mi (1,638.36 km) |
| Aalst to Oltenita | 1,149.91 mi (1,850.61 km) |
| Aalst to Onesti | 1,082.76 mi (1,742.53 km) |
| Aalst to Oradea | 850.86 mi (1,369.33 km) |
| Aalst to Orastie | 943.33 mi (1,518.15 km) |
| Aalst to Oravita | 908.97 mi (1,462.85 km) |
| Aalst to Orsova | 950.01 mi (1,528.89 km) |
| Aalst to Otelu Rosu | 919.16 mi (1,479.25 km) |
| Aalst to Otopeni | 1,109.24 mi (1,785.15 km) |
| Aalst to Ovidiu | 1,224.55 mi (1,970.72 km) |
