| Flers to Navodari | 1,411.13 mi (2,271.00 km) |
| Flers to Negresti-Oas | 1,099.73 mi (1,769.84 km) |
| Flers to Nehoiu | 1,279.75 mi (2,059.56 km) |
| Flers to Ocna Mures | 1,145.38 mi (1,843.31 km) |
| Flers to Odobesti | 1,304.83 mi (2,099.92 km) |
| Flers to Odorheiu Secuiesc | 1,212.60 mi (1,951.49 km) |
| Flers to Oltenita | 1,327.57 mi (2,136.52 km) |
| Flers to Onesti | 1,280.56 mi (2,060.86 km) |
| Flers to Oradea | 1,044.16 mi (1,680.42 km) |
| Flers to Orastie | 1,126.82 mi (1,813.44 km) |
| Flers to Oravita | 1,077.30 mi (1,733.75 km) |
| Flers to Orsova | 1,117.73 mi (1,798.82 km) |
| Flers to Otelu Rosu | 1,095.86 mi (1,763.62 km) |
| Flers to Otopeni | 1,289.26 mi (2,074.86 km) |
| Flers to Ovidiu | 1,410.08 mi (2,269.31 km) |
