| Keerbergen to Navodari | 1,200.88 mi (1,932.63 km) |
| Keerbergen to Negresti-Oas | 869.07 mi (1,398.63 km) |
| Keerbergen to Nehoiu | 1,067.28 mi (1,717.62 km) |
| Keerbergen to Ocna Mures | 929.78 mi (1,496.33 km) |
| Keerbergen to Odobesti | 1,086.10 mi (1,747.91 km) |
| Keerbergen to Odorheiu Secuiesc | 993.52 mi (1,598.92 km) |
| Keerbergen to Oltenita | 1,126.39 mi (1,812.75 km) |
| Keerbergen to Onesti | 1,058.02 mi (1,702.71 km) |
| Keerbergen to Oradea | 826.58 mi (1,330.25 km) |
| Keerbergen to Orastie | 919.61 mi (1,479.97 km) |
| Keerbergen to Oravita | 886.40 mi (1,426.52 km) |
| Keerbergen to Orsova | 927.42 mi (1,492.53 km) |
| Keerbergen to Otelu Rosu | 895.95 mi (1,441.89 km) |
| Keerbergen to Otopeni | 1,085.59 mi (1,747.09 km) |
| Keerbergen to Ovidiu | 1,200.46 mi (1,931.95 km) |
