| Kelsterbach to Navodari | 1,018.89 mi (1,639.75 km) |
| Kelsterbach to Negresti-Oas | 691.08 mi (1,112.18 km) |
| Kelsterbach to Nehoiu | 885.42 mi (1,424.94 km) |
| Kelsterbach to Ocna Mures | 748.16 mi (1,204.05 km) |
| Kelsterbach to Odobesti | 905.37 mi (1,457.06 km) |
| Kelsterbach to Odorheiu Secuiesc | 812.69 mi (1,307.89 km) |
| Kelsterbach to Oltenita | 943.46 mi (1,518.35 km) |
| Kelsterbach to Onesti | 878.10 mi (1,413.16 km) |
| Kelsterbach to Oradea | 645.06 mi (1,038.13 km) |
| Kelsterbach to Orastie | 736.91 mi (1,185.94 km) |
| Kelsterbach to Oravita | 703.32 mi (1,131.88 km) |
| Kelsterbach to Orsova | 744.33 mi (1,197.88 km) |
| Kelsterbach to Otelu Rosu | 712.81 mi (1,147.15 km) |
| Kelsterbach to Otopeni | 902.79 mi (1,452.90 km) |
| Kelsterbach to Ovidiu | 1,018.38 mi (1,638.93 km) |
