| Elkhart to Oswego (Illinois) | 122.52 mi (197.17 km) |
| Elkhart to Oswego (New York) | 496.27 mi (798.67 km) |
| Elkhart to Otsego (Minnesota) | 456.18 mi (734.15 km) |
| Elkhart to Ottawa (Illinois) | 149.92 mi (241.28 km) |
| Elkhart to Ottawa (Kansas) | 535.30 mi (861.48 km) |
| Elkhart to Ottumwa (Iowa) | 337.94 mi (543.87 km) |
| Elkhart to Overland (Missouri) | 311.21 mi (500.84 km) |
| Elkhart to Overland Park (Kansas) | 498.66 mi (802.52 km) |
| Elkhart to Overlea (Maryland) | 521.12 mi (838.66 km) |
| Elkhart to Oviedo (Florida) | 939.63 mi (1,512.19 km) |
| Elkhart to Owasso (Oklahoma) | 647.59 mi (1,042.20 km) |
| Elkhart to Owatonna (Minnesota) | 403.38 mi (649.17 km) |
| Elkhart to Owensboro (Kentucky) | 278.65 mi (448.44 km) |
| Elkhart to Owings Mills (Maryland) | 506.30 mi (814.81 km) |
| Elkhart to Owosso (Michigan) | 128.22 mi (206.35 km) |
