| Ballenger Creek to Orbetello | 4,407.06 mi (7,092.47 km) |
| Ballenger Creek to Oria | 4,759.33 mi (7,659.41 km) |
| Ballenger Creek to Oristano | 4,378.28 mi (7,046.16 km) |
| Ballenger Creek to Orta Nova | 4,644.01 mi (7,473.82 km) |
| Ballenger Creek to Orte | 4,457.70 mi (7,173.98 km) |
| Ballenger Creek to Ortona | 4,549.18 mi (7,321.21 km) |
| Ballenger Creek to Orvieto | 4,436.50 mi (7,139.85 km) |
| Ballenger Creek to Orzinuovi | 4,250.79 mi (6,840.98 km) |
| Ballenger Creek to Osimo | 4,468.58 mi (7,191.48 km) |
| Ballenger Creek to Ospitaletto | 4,251.62 mi (6,842.31 km) |
| Ballenger Creek to Ostuni | 4,748.08 mi (7,641.29 km) |
| Ballenger Creek to Ottaviano | 4,608.16 mi (7,416.12 km) |
| Ballenger Creek to Ovada | 4,220.49 mi (6,792.22 km) |
| Ballenger Creek to Ozieri | 4,373.32 mi (7,038.17 km) |
| Ballenger Creek to Paceco | 4,629.02 mi (7,449.68 km) |
