| Waltham Cross to Nasaud | 1,132.42 mi (1,822.46 km) |
| Waltham Cross to Navodari | 1,407.51 mi (2,265.17 km) |
| Waltham Cross to Negresti-Oas | 1,074.18 mi (1,728.73 km) |
| Waltham Cross to Nehoiu | 1,273.89 mi (2,050.12 km) |
| Waltham Cross to Ocna Mures | 1,136.34 mi (1,828.75 km) |
| Waltham Cross to Odobesti | 1,292.32 mi (2,079.79 km) |
| Waltham Cross to Odorheiu Secuiesc | 1,199.80 mi (1,930.90 km) |
| Waltham Cross to Oltenita | 1,333.05 mi (2,145.33 km) |
| Waltham Cross to Onesti | 1,263.90 mi (2,034.05 km) |
| Waltham Cross to Oradea | 1,033.13 mi (1,662.66 km) |
| Waltham Cross to Orastie | 1,126.32 mi (1,812.63 km) |
| Waltham Cross to Oravita | 1,092.18 mi (1,757.69 km) |
| Waltham Cross to Orsova | 1,133.22 mi (1,823.74 km) |
| Waltham Cross to Otelu Rosu | 1,102.41 mi (1,774.16 km) |
| Waltham Cross to Otopeni | 1,292.29 mi (2,079.74 km) |
