| Rinteln to Karlovo | 983.93 mi (1,583.49 km) |
| Rinteln to Karnobat | 1,061.22 mi (1,707.87 km) |
| Rinteln to Kavarna | 1,073.66 mi (1,727.88 km) |
| Rinteln to Kazanlak | 1,005.80 mi (1,618.68 km) |
| Rinteln to Knezha | 915.77 mi (1,473.79 km) |
| Rinteln to Kostinbrod | 921.48 mi (1,482.99 km) |
| Rinteln to Kozloduy | 889.53 mi (1,431.57 km) |
| Rinteln to Kyustendil | 932.81 mi (1,501.21 km) |
| Rinteln to Levski | 959.20 mi (1,543.69 km) |
| Rinteln to Lom | 870.32 mi (1,400.65 km) |
| Rinteln to Lovech | 956.04 mi (1,538.60 km) |
| Rinteln to Lukovit | 933.71 mi (1,502.65 km) |
| Rinteln to Lyaskovets | 993.00 mi (1,598.07 km) |
| Rinteln to Mezdra | 920.32 mi (1,481.12 km) |
| Rinteln to Momchilgrad | 1,062.09 mi (1,709.26 km) |
