| Carbondale to Olivares | 4,381.60 mi (7,051.51 km) |
| Carbondale to Olivenza | 4,294.66 mi (6,911.59 km) |
| Carbondale to Olot | 4,618.11 mi (7,432.12 km) |
| Carbondale to Onate | 4,371.77 mi (7,035.69 km) |
| Carbondale to Onda | 4,572.11 mi (7,358.10 km) |
| Carbondale to Onteniente | 4,596.04 mi (7,396.61 km) |
| Carbondale to Orihuela | 4,606.03 mi (7,412.70 km) |
| Carbondale to Osuna | 4,438.25 mi (7,142.67 km) |
| Carbondale to Ourense | 4,146.10 mi (6,672.50 km) |
| Carbondale to Oviedo | 4,207.56 mi (6,771.42 km) |
| Carbondale to Paiporta | 4,583.62 mi (7,376.62 km) |
| Carbondale to Pajara | 4,284.78 mi (6,895.69 km) |
| Carbondale to Palafolls | 4,647.83 mi (7,479.95 km) |
| Carbondale to Palafrugell | 4,657.18 mi (7,495.00 km) |
| Carbondale to Palamos | 4,658.23 mi (7,496.70 km) |
