| Upminster to Montana | 1,204.24 mi (1,938.03 km) |
| Upminster to Nova Zagora | 1,355.63 mi (2,181.68 km) |
| Upminster to Novi Iskar | 1,234.47 mi (1,986.69 km) |
| Upminster to Novi Pazar | 1,370.55 mi (2,205.68 km) |
| Upminster to Omurtag | 1,347.73 mi (2,168.97 km) |
| Upminster to Panagyurishte | 1,280.70 mi (2,061.09 km) |
| Upminster to Parvomay | 1,339.40 mi (2,155.55 km) |
| Upminster to Pavlikeni | 1,296.83 mi (2,087.04 km) |
| Upminster to Pazardzhik | 1,299.45 mi (2,091.27 km) |
| Upminster to Pernik | 1,230.20 mi (1,979.81 km) |
| Upminster to Peshtera | 1,305.25 mi (2,100.60 km) |
| Upminster to Petrich | 1,289.94 mi (2,075.96 km) |
| Upminster to Pleven | 1,261.41 mi (2,030.05 km) |
| Upminster to Plovdiv | 1,318.39 mi (2,121.75 km) |
| Upminster to Pomorie | 1,418.59 mi (2,282.99 km) |
