| Gretz-Armainvilliers to Olivenza | 849.31 mi (1,366.83 km) |
| Gretz-Armainvilliers to Olot | 453.33 mi (729.57 km) |
| Gretz-Armainvilliers to Onate | 465.47 mi (749.10 km) |
| Gretz-Armainvilliers to Onda | 624.23 mi (1,004.60 km) |
| Gretz-Armainvilliers to Onteniente | 705.12 mi (1,134.78 km) |
| Gretz-Armainvilliers to Orihuela | 758.81 mi (1,221.19 km) |
| Gretz-Armainvilliers to Osuna | 887.11 mi (1,427.67 km) |
| Gretz-Armainvilliers to Ourense | 676.27 mi (1,088.36 km) |
| Gretz-Armainvilliers to Oviedo | 553.88 mi (891.39 km) |
| Gretz-Armainvilliers to Paiporta | 662.08 mi (1,065.51 km) |
| Gretz-Armainvilliers to Pajara | 1,668.72 mi (2,685.54 km) |
| Gretz-Armainvilliers to Palafolls | 488.62 mi (786.36 km) |
| Gretz-Armainvilliers to Palafrugell | 471.93 mi (759.50 km) |
| Gretz-Armainvilliers to Palamos | 476.80 mi (767.34 km) |
| Gretz-Armainvilliers to Palencia | 582.75 mi (937.85 km) |
