| Grangemouth to Olivares | 1,289.77 mi (2,075.68 km) |
| Grangemouth to Olivenza | 1,207.20 mi (1,942.79 km) |
| Grangemouth to Olot | 994.95 mi (1,601.22 km) |
| Grangemouth to Onate | 898.59 mi (1,446.15 km) |
| Grangemouth to Onda | 1,120.00 mi (1,802.46 km) |
| Grangemouth to Onteniente | 1,196.26 mi (1,925.20 km) |
| Grangemouth to Orihuela | 1,245.19 mi (2,003.94 km) |
| Grangemouth to Osuna | 1,299.08 mi (2,090.66 km) |
| Grangemouth to Ourense | 962.84 mi (1,549.53 km) |
| Grangemouth to Oviedo | 879.22 mi (1,414.97 km) |
| Grangemouth to Paiporta | 1,155.74 mi (1,859.98 km) |
| Grangemouth to Pajara | 1,978.86 mi (3,184.66 km) |
| Grangemouth to Palafolls | 1,032.61 mi (1,661.82 km) |
| Grangemouth to Palafrugell | 1,021.40 mi (1,643.78 km) |
| Grangemouth to Palamos | 1,025.72 mi (1,650.73 km) |
