| Karlovo to Nizza Monferrato | 833.28 mi (1,341.03 km) |
| Karlovo to Noale | 662.27 mi (1,065.82 km) |
| Karlovo to Nocera Inferiore | 540.56 mi (869.95 km) |
| Karlovo to Nocera Superiore | 538.79 mi (867.10 km) |
| Karlovo to Noceto | 744.32 mi (1,197.86 km) |
| Karlovo to Noci | 415.56 mi (668.78 km) |
| Karlovo to Noicattaro | 417.65 mi (672.15 km) |
| Karlovo to Nola | 541.94 mi (872.16 km) |
| Karlovo to Nonantola | 701.30 mi (1,128.64 km) |
| Karlovo to Noto | 651.28 mi (1,048.14 km) |
| Karlovo to Nova Milanese | 798.98 mi (1,285.83 km) |
| Karlovo to Novara | 825.55 mi (1,328.59 km) |
| Karlovo to Novate Milanese | 801.62 mi (1,290.09 km) |
| Karlovo to Novellara | 717.84 mi (1,155.25 km) |
| Karlovo to Noventa Vicentina | 683.97 mi (1,100.74 km) |
