| Kingsport to Olivares | 4,091.70 mi (6,584.96 km) |
| Kingsport to Olivenza | 4,008.72 mi (6,451.41 km) |
| Kingsport to Olot | 4,365.38 mi (7,025.41 km) |
| Kingsport to Onate | 4,114.26 mi (6,621.27 km) |
| Kingsport to Onda | 4,303.92 mi (6,926.49 km) |
| Kingsport to Onteniente | 4,322.12 mi (6,955.78 km) |
| Kingsport to Orihuela | 4,328.27 mi (6,965.67 km) |
| Kingsport to Osuna | 4,149.37 mi (6,677.77 km) |
| Kingsport to Ourense | 3,876.14 mi (6,238.04 km) |
| Kingsport to Oviedo | 3,945.96 mi (6,350.41 km) |
| Kingsport to Paiporta | 4,312.74 mi (6,940.68 km) |
| Kingsport to Pajara | 3,948.71 mi (6,354.83 km) |
| Kingsport to Palafolls | 4,393.19 mi (7,070.16 km) |
| Kingsport to Palafrugell | 4,404.50 mi (7,088.35 km) |
| Kingsport to Palamos | 4,405.15 mi (7,089.40 km) |
