| Gretna to Poyo | 4,448.74 mi (7,159.56 km) |
| Gretna to Pozoblanco | 4,733.09 mi (7,617.17 km) |
| Gretna to Premia de Mar | 4,999.68 mi (8,046.20 km) |
| Gretna to Priego de Cordoba | 4,791.51 mi (7,711.19 km) |
| Gretna to Puente-Genil | 4,763.21 mi (7,665.65 km) |
| Gretna to Puenteareas | 4,462.60 mi (7,181.85 km) |
| Gretna to Puerto de la Cruz | 4,353.73 mi (7,006.66 km) |
| Gretna to Puerto del Rosario | 4,503.22 mi (7,247.23 km) |
| Gretna to Puerto Real | 4,712.40 mi (7,583.88 km) |
| Gretna to Puertollano | 4,762.10 mi (7,663.86 km) |
| Gretna to Puigcerda | 4,952.56 mi (7,970.37 km) |
| Gretna to Pulpi | 4,915.14 mi (7,910.15 km) |
| Gretna to Puzol | 4,925.29 mi (7,926.49 km) |
| Gretna to Quintanar de la Orden | 4,791.70 mi (7,711.49 km) |
| Gretna to Rafelbunol | 4,924.36 mi (7,925.00 km) |
