| Carmichael to Orbetello | 6,093.57 mi (9,806.65 km) |
| Carmichael to Oria | 6,386.98 mi (10,278.84 km) |
| Carmichael to Oristano | 6,155.10 mi (9,905.67 km) |
| Carmichael to Orta Nova | 6,285.58 mi (10,115.66 km) |
| Carmichael to Orte | 6,126.51 mi (9,859.66 km) |
| Carmichael to Ortona | 6,189.88 mi (9,961.65 km) |
| Carmichael to Orvieto | 6,103.87 mi (9,823.23 km) |
| Carmichael to Orzinuovi | 5,890.22 mi (9,479.39 km) |
| Carmichael to Osimo | 6,098.97 mi (9,815.35 km) |
| Carmichael to Ospitaletto | 5,885.54 mi (9,471.86 km) |
| Carmichael to Ostuni | 6,371.80 mi (10,254.42 km) |
| Carmichael to Ottaviano | 6,278.96 mi (10,105.01 km) |
| Carmichael to Ovada | 5,895.07 mi (9,487.20 km) |
| Carmichael to Ozieri | 6,130.44 mi (9,866.00 km) |
| Carmichael to Paceco | 6,386.82 mi (10,278.59 km) |
