| Olean to Karlovo | 4,891.32 mi (7,871.82 km) |
| Olean to Karnobat | 4,975.70 mi (8,007.62 km) |
| Olean to Kavarna | 4,990.18 mi (8,030.92 km) |
| Olean to Kazanlak | 4,915.53 mi (7,910.77 km) |
| Olean to Knezha | 4,825.38 mi (7,765.70 km) |
| Olean to Kostinbrod | 4,821.55 mi (7,759.53 km) |
| Olean to Kozloduy | 4,799.44 mi (7,723.95 km) |
| Olean to Kyustendil | 4,823.77 mi (7,763.12 km) |
| Olean to Levski | 4,871.77 mi (7,840.35 km) |
| Olean to Lom | 4,778.40 mi (7,690.10 km) |
| Olean to Lovech | 4,866.02 mi (7,831.11 km) |
| Olean to Lukovit | 4,841.81 mi (7,792.14 km) |
| Olean to Lyaskovets | 4,906.09 mi (7,895.58 km) |
| Olean to Mezdra | 4,825.86 mi (7,766.47 km) |
| Olean to Momchilgrad | 4,964.83 mi (7,990.13 km) |
