| Heusden to Navodari | 1,190.73 mi (1,916.29 km) |
| Heusden to Negresti-Oas | 853.77 mi (1,374.00 km) |
| Heusden to Nehoiu | 1,057.05 mi (1,701.15 km) |
| Heusden to Ocna Mures | 919.33 mi (1,479.52 km) |
| Heusden to Odobesti | 1,073.74 mi (1,728.02 km) |
| Heusden to Odorheiu Secuiesc | 981.53 mi (1,579.62 km) |
| Heusden to Oltenita | 1,119.34 mi (1,801.40 km) |
| Heusden to Onesti | 1,044.52 mi (1,680.99 km) |
| Heusden to Oradea | 816.23 mi (1,313.59 km) |
| Heusden to Orastie | 911.94 mi (1,467.62 km) |
| Heusden to Oravita | 883.91 mi (1,422.52 km) |
| Heusden to Orsova | 924.78 mi (1,488.28 km) |
| Heusden to Otelu Rosu | 890.71 mi (1,433.46 km) |
| Heusden to Otopeni | 1,078.00 mi (1,734.88 km) |
| Heusden to Ovidiu | 1,190.50 mi (1,915.92 km) |
