| Attendorn to Navodari | 1,066.27 mi (1,716.00 km) |
| Attendorn to Negresti-Oas | 730.32 mi (1,175.33 km) |
| Attendorn to Nehoiu | 932.59 mi (1,500.85 km) |
| Attendorn to Ocna Mures | 794.88 mi (1,279.23 km) |
| Attendorn to Odobesti | 949.57 mi (1,528.18 km) |
| Attendorn to Odorheiu Secuiesc | 857.27 mi (1,379.65 km) |
| Attendorn to Oltenita | 994.88 mi (1,601.11 km) |
| Attendorn to Onesti | 920.59 mi (1,481.55 km) |
| Attendorn to Oradea | 691.75 mi (1,113.27 km) |
| Attendorn to Orastie | 787.46 mi (1,267.30 km) |
| Attendorn to Oravita | 760.49 mi (1,223.89 km) |
| Attendorn to Orsova | 801.27 mi (1,289.52 km) |
| Attendorn to Otelu Rosu | 766.55 mi (1,233.65 km) |
| Attendorn to Otopeni | 953.52 mi (1,534.54 km) |
| Attendorn to Ovidiu | 1,066.03 mi (1,715.60 km) |
