| Upton to Montana | 1,378.84 mi (2,219.03 km) |
| Upton to Nova Zagora | 1,528.17 mi (2,459.35 km) |
| Upton to Novi Iskar | 1,410.68 mi (2,270.28 km) |
| Upton to Novi Pazar | 1,538.19 mi (2,475.47 km) |
| Upton to Omurtag | 1,517.63 mi (2,442.40 km) |
| Upton to Panagyurishte | 1,456.35 mi (2,343.77 km) |
| Upton to Parvomay | 1,514.43 mi (2,437.24 km) |
| Upton to Pavlikeni | 1,468.22 mi (2,362.87 km) |
| Upton to Pazardzhik | 1,475.69 mi (2,374.89 km) |
| Upton to Pernik | 1,407.50 mi (2,265.16 km) |
| Upton to Peshtera | 1,481.99 mi (2,385.03 km) |
| Upton to Petrich | 1,469.96 mi (2,365.67 km) |
| Upton to Pleven | 1,433.52 mi (2,307.03 km) |
| Upton to Plovdiv | 1,494.07 mi (2,404.47 km) |
| Upton to Pomorie | 1,588.08 mi (2,555.77 km) |
