| Heath to Nasaud | 4,920.80 mi (7,919.27 km) |
| Heath to Navodari | 5,207.86 mi (8,381.24 km) |
| Heath to Negresti-Oas | 4,859.73 mi (7,820.99 km) |
| Heath to Nehoiu | 5,075.96 mi (8,168.97 km) |
| Heath to Ocna Mures | 4,939.82 mi (7,949.88 km) |
| Heath to Odobesti | 5,085.00 mi (8,183.52 km) |
| Heath to Odorheiu Secuiesc | 4,996.14 mi (8,040.51 km) |
| Heath to Oltenita | 5,145.74 mi (8,281.26 km) |
| Heath to Onesti | 5,051.92 mi (8,130.28 km) |
| Heath to Oradea | 4,838.64 mi (7,787.03 km) |
| Heath to Orastie | 4,938.80 mi (7,948.23 km) |
| Heath to Oravita | 4,916.36 mi (7,912.12 km) |
| Heath to Orsova | 4,957.14 mi (7,977.74 km) |
| Heath to Otelu Rosu | 4,921.24 mi (7,919.97 km) |
| Heath to Otopeni | 5,103.58 mi (8,213.42 km) |
