| Enfield to Oswego (Illinois) | 3,980.64 mi (6,406.22 km) |
| Enfield to Oswego (New York) | 3,442.56 mi (5,540.27 km) |
| Enfield to Otsego (Minnesota) | 4,006.26 mi (6,447.45 km) |
| Enfield to Ottawa (Illinois) | 4,014.59 mi (6,460.86 km) |
| Enfield to Ottawa (Kansas) | 4,390.61 mi (7,066.00 km) |
| Enfield to Ottumwa (Iowa) | 4,165.56 mi (6,703.82 km) |
| Enfield to Overland (Missouri) | 4,200.78 mi (6,760.50 km) |
| Enfield to Overland Park (Kansas) | 4,354.77 mi (7,008.33 km) |
| Enfield to Overlea (Maryland) | 3,621.68 mi (5,828.52 km) |
| Enfield to Oviedo (Florida) | 4,324.87 mi (6,960.20 km) |
| Enfield to Owasso (Oklahoma) | 4,528.41 mi (7,287.77 km) |
| Enfield to Owatonna (Minnesota) | 4,047.99 mi (6,514.60 km) |
| Enfield to Owensboro (Kentucky) | 4,120.05 mi (6,630.58 km) |
| Enfield to Owings Mills (Maryland) | 3,630.68 mi (5,843.01 km) |
| Enfield to Owosso (Michigan) | 3,761.70 mi (6,053.87 km) |
