| Spilimbergo to Odessa (Texas) | 5,702.76 mi (9,177.71 km) |
| Spilimbergo to Ogden (Utah) | 5,513.05 mi (8,872.40 km) |
| Spilimbergo to Oildale (California) | 6,057.44 mi (9,748.50 km) |
| Spilimbergo to Ojus (Florida) | 5,084.96 mi (8,183.45 km) |
| Spilimbergo to Okemos (Michigan) | 4,484.01 mi (7,216.31 km) |
| Spilimbergo to Oklahoma City (Oklahoma) | 5,333.98 mi (8,584.22 km) |
| Spilimbergo to Okmulgee (Oklahoma) | 5,269.70 mi (8,480.76 km) |
| Spilimbergo to Olathe (Kansas) | 5,059.98 mi (8,143.26 km) |
| Spilimbergo to Old Jamestown (Missouri) | 4,890.79 mi (7,870.97 km) |
| Spilimbergo to Oldsmar (Florida) | 5,095.77 mi (8,200.85 km) |
| Spilimbergo to Olean (New York) | 4,275.53 mi (6,880.80 km) |
| Spilimbergo to Olive Branch (Mississippi) | 5,062.28 mi (8,146.95 km) |
| Spilimbergo to Olivehurst (California) | 5,910.27 mi (9,511.67 km) |
| Spilimbergo to Olney (Maryland) | 4,346.12 mi (6,994.41 km) |
| Spilimbergo to Olympia (Washington) | 5,465.24 mi (8,795.46 km) |
