| Alencon to Navodari | 1,380.37 mi (2,221.48 km) |
| Alencon to Negresti-Oas | 1,072.05 mi (1,725.29 km) |
| Alencon to Nehoiu | 1,249.41 mi (2,010.73 km) |
| Alencon to Ocna Mures | 1,115.63 mi (1,795.44 km) |
| Alencon to Odobesti | 1,275.19 mi (2,052.22 km) |
| Alencon to Odorheiu Secuiesc | 1,183.15 mi (1,904.09 km) |
| Alencon to Oltenita | 1,295.98 mi (2,085.68 km) |
| Alencon to Onesti | 1,251.43 mi (2,013.98 km) |
| Alencon to Oradea | 1,014.88 mi (1,633.28 km) |
| Alencon to Orastie | 1,096.18 mi (1,764.12 km) |
| Alencon to Oravita | 1,045.19 mi (1,682.07 km) |
| Alencon to Orsova | 1,085.49 mi (1,746.93 km) |
| Alencon to Otelu Rosu | 1,064.54 mi (1,713.22 km) |
| Alencon to Otopeni | 1,257.97 mi (2,024.50 km) |
| Alencon to Ovidiu | 1,379.25 mi (2,219.68 km) |
