| Spalding to Odessa (Texas) | 4,961.69 mi (7,985.07 km) |
| Spalding to Ogden (Utah) | 4,778.22 mi (7,689.80 km) |
| Spalding to Oildale (California) | 5,325.42 mi (8,570.43 km) |
| Spalding to Ojus (Florida) | 4,401.91 mi (7,084.19 km) |
| Spalding to Okemos (Michigan) | 3,746.72 mi (6,029.76 km) |
| Spalding to Oklahoma City (Oklahoma) | 4,593.68 mi (7,392.81 km) |
| Spalding to Okmulgee (Oklahoma) | 4,530.39 mi (7,290.95 km) |
| Spalding to Olathe (Kansas) | 4,318.95 mi (6,950.68 km) |
| Spalding to Old Jamestown (Missouri) | 4,153.10 mi (6,683.77 km) |
| Spalding to Oldsmar (Florida) | 4,397.09 mi (7,076.43 km) |
| Spalding to Olean (New York) | 3,546.16 mi (5,706.99 km) |
| Spalding to Olive Branch (Mississippi) | 4,330.64 mi (6,969.50 km) |
| Spalding to Olivehurst (California) | 5,187.80 mi (8,348.95 km) |
| Spalding to Olney (Maryland) | 3,626.61 mi (5,836.47 km) |
| Spalding to Olympia (Washington) | 4,760.89 mi (7,661.91 km) |
