| Trotwood to Olivares | 4,081.20 mi (6,568.06 km) |
| Trotwood to Olivenza | 3,994.15 mi (6,427.96 km) |
| Trotwood to Olot | 4,319.49 mi (6,951.54 km) |
| Trotwood to Onate | 4,072.54 mi (6,554.12 km) |
| Trotwood to Onda | 4,272.03 mi (6,875.17 km) |
| Trotwood to Onteniente | 4,295.66 mi (6,913.20 km) |
| Trotwood to Orihuela | 4,305.54 mi (6,929.10 km) |
| Trotwood to Osuna | 4,137.80 mi (6,659.15 km) |
| Trotwood to Ourense | 3,845.85 mi (6,189.29 km) |
| Trotwood to Oviedo | 3,907.90 mi (6,289.16 km) |
| Trotwood to Paiporta | 4,283.38 mi (6,893.44 km) |
| Trotwood to Pajara | 3,994.01 mi (6,427.73 km) |
| Trotwood to Palafolls | 4,348.99 mi (6,999.02 km) |
| Trotwood to Palafrugell | 4,358.58 mi (7,014.45 km) |
| Trotwood to Palamos | 4,359.58 mi (7,016.07 km) |
