| Kilgore to Olivares | 4,842.30 mi (7,792.94 km) |
| Kilgore to Olivenza | 4,757.68 mi (7,656.75 km) |
| Kilgore to Olot | 5,095.96 mi (8,201.16 km) |
| Kilgore to Onate | 4,847.87 mi (7,801.89 km) |
| Kilgore to Onda | 5,044.21 mi (8,117.87 km) |
| Kilgore to Onteniente | 5,065.58 mi (8,152.26 km) |
| Kilgore to Orihuela | 5,073.69 mi (8,165.32 km) |
| Kilgore to Osuna | 4,899.61 mi (7,885.16 km) |
| Kilgore to Ourense | 4,617.13 mi (7,430.55 km) |
| Kilgore to Oviedo | 4,682.05 mi (7,535.04 km) |
| Kilgore to Paiporta | 5,054.55 mi (8,134.51 km) |
| Kilgore to Pajara | 4,702.04 mi (7,567.20 km) |
| Kilgore to Palafolls | 5,125.08 mi (8,248.03 km) |
| Kilgore to Palafrugell | 5,135.07 mi (8,264.10 km) |
| Kilgore to Palamos | 5,136.00 mi (8,265.59 km) |
