| Roswell to Odenton (Maryland) | 548.52 mi (882.76 km) |
| Roswell to Odessa (Texas) | 1,052.35 mi (1,693.59 km) |
| Roswell to Ogden (Utah) | 1,582.77 mi (2,547.22 km) |
| Roswell to Oildale (California) | 1,961.38 mi (3,156.53 km) |
| Roswell to Ojus (Florida) | 612.01 mi (984.93 km) |
| Roswell to Okemos (Michigan) | 598.81 mi (963.70 km) |
| Roswell to Oklahoma City (Oklahoma) | 753.11 mi (1,212.01 km) |
| Roswell to Okmulgee (Oklahoma) | 669.55 mi (1,077.53 km) |
| Roswell to Olathe (Kansas) | 670.50 mi (1,079.07 km) |
| Roswell to Old Jamestown (Missouri) | 467.52 mi (752.40 km) |
| Roswell to Oldsmar (Florida) | 425.55 mi (684.85 km) |
| Roswell to Olean (New York) | 641.86 mi (1,032.97 km) |
| Roswell to Olive Branch (Mississippi) | 319.30 mi (513.86 km) |
| Roswell to Olivehurst (California) | 2,079.23 mi (3,346.19 km) |
| Roswell to Olney (Maryland) | 535.96 mi (862.55 km) |
