| Gretna to Krosno Odrzanskie | 5,202.83 mi (8,373.15 km) |
| Gretna to Krotoszyn | 5,300.64 mi (8,530.55 km) |
| Gretna to Kruszwica | 5,296.35 mi (8,523.65 km) |
| Gretna to Krynica | 5,515.98 mi (8,877.11 km) |
| Gretna to Krzeszowice | 5,439.18 mi (8,753.52 km) |
| Gretna to Kudowa-Zdroj | 5,301.47 mi (8,531.88 km) |
| Gretna to Kutno | 5,349.68 mi (8,609.47 km) |
| Gretna to Kwidzyn | 5,278.18 mi (8,494.42 km) |
| Gretna to Lancut | 5,536.66 mi (8,910.39 km) |
| Gretna to Lapy | 5,442.33 mi (8,758.59 km) |
| Gretna to Lask | 5,365.60 mi (8,635.10 km) |
| Gretna to Laziska Gorne | 5,409.59 mi (8,705.89 km) |
| Gretna to Lebork | 5,207.85 mi (8,381.23 km) |
| Gretna to Leczna | 5,510.13 mi (8,867.69 km) |
| Gretna to Leczyca | 5,350.66 mi (8,611.06 km) |
