| Elk Grove to Orbetello | 6,107.78 mi (9,829.52 km) |
| Elk Grove to Oria | 6,401.45 mi (10,302.14 km) |
| Elk Grove to Oristano | 6,168.99 mi (9,928.03 km) |
| Elk Grove to Orta Nova | 6,299.98 mi (10,138.84 km) |
| Elk Grove to Orte | 6,140.78 mi (9,882.64 km) |
| Elk Grove to Ortona | 6,204.26 mi (9,984.80 km) |
| Elk Grove to Orvieto | 6,118.14 mi (9,846.20 km) |
| Elk Grove to Orzinuovi | 5,904.52 mi (9,502.41 km) |
| Elk Grove to Osimo | 6,113.36 mi (9,838.50 km) |
| Elk Grove to Ospitaletto | 5,899.85 mi (9,494.90 km) |
| Elk Grove to Ostuni | 6,386.28 mi (10,277.72 km) |
| Elk Grove to Ottaviano | 6,293.27 mi (10,128.05 km) |
| Elk Grove to Ovada | 5,909.26 mi (9,510.04 km) |
| Elk Grove to Ozieri | 6,144.41 mi (9,888.47 km) |
| Elk Grove to Paceco | 6,400.86 mi (10,301.19 km) |
