| Leighton Buzzard to Nasaud | 1,160.80 mi (1,868.12 km) |
| Leighton Buzzard to Navodari | 1,436.69 mi (2,312.13 km) |
| Leighton Buzzard to Negresti-Oas | 1,102.33 mi (1,774.03 km) |
| Leighton Buzzard to Nehoiu | 1,303.03 mi (2,097.03 km) |
| Leighton Buzzard to Ocna Mures | 1,165.43 mi (1,875.57 km) |
| Leighton Buzzard to Odobesti | 1,321.07 mi (2,126.06 km) |
| Leighton Buzzard to Odorheiu Secuiesc | 1,228.62 mi (1,977.28 km) |
| Leighton Buzzard to Oltenita | 1,362.73 mi (2,193.10 km) |
| Leighton Buzzard to Onesti | 1,292.42 mi (2,079.95 km) |
| Leighton Buzzard to Oradea | 1,062.22 mi (1,709.47 km) |
| Leighton Buzzard to Orastie | 1,155.86 mi (1,860.18 km) |
| Leighton Buzzard to Oravita | 1,122.42 mi (1,806.36 km) |
| Leighton Buzzard to Orsova | 1,163.45 mi (1,872.39 km) |
| Leighton Buzzard to Otelu Rosu | 1,132.31 mi (1,822.27 km) |
| Leighton Buzzard to Otopeni | 1,321.88 mi (2,127.36 km) |
