| Spanish Springs to Odenton (Maryland) | 2,273.77 mi (3,659.29 km) |
| Spanish Springs to Odessa (Texas) | 1,107.18 mi (1,781.83 km) |
| Spanish Springs to Ogden (Utah) | 419.09 mi (674.47 km) |
| Spanish Springs to Oildale (California) | 294.18 mi (473.43 km) |
| Spanish Springs to Ojus (Florida) | 2,457.73 mi (3,955.34 km) |
| Spanish Springs to Okemos (Michigan) | 1,832.02 mi (2,948.34 km) |
| Spanish Springs to Oklahoma City (Oklahoma) | 1,244.02 mi (2,002.06 km) |
| Spanish Springs to Okmulgee (Oklahoma) | 1,320.40 mi (2,124.98 km) |
| Spanish Springs to Olathe (Kansas) | 1,326.03 mi (2,134.03 km) |
| Spanish Springs to Old Jamestown (Missouri) | 1,566.26 mi (2,520.65 km) |
| Spanish Springs to Oldsmar (Florida) | 2,250.33 mi (3,621.55 km) |
| Spanish Springs to Olean (New York) | 2,140.18 mi (3,444.29 km) |
| Spanish Springs to Olive Branch (Mississippi) | 1,662.70 mi (2,675.85 km) |
| Spanish Springs to Olivehurst (California) | 108.41 mi (174.46 km) |
| Spanish Springs to Olney (Maryland) | 2,252.78 mi (3,625.49 km) |
