| South Bend to Oakleaf Plantation (Florida) | 832.62 mi (1,339.98 km) |
| South Bend to Oakley (California) | 1,883.28 mi (3,030.85 km) |
| South Bend to Oakton (Virginia) | 510.11 mi (820.95 km) |
| South Bend to Oakville (Missouri) | 309.19 mi (497.59 km) |
| South Bend to Oatfield (Oregon) | 1,821.62 mi (2,931.62 km) |
| South Bend to Ocala (Florida) | 893.86 mi (1,438.53 km) |
| South Bend to Ocean Acres (New Jersey) | 641.41 mi (1,032.24 km) |
| South Bend to Ocean City (New Jersey) | 634.86 mi (1,021.72 km) |
| South Bend to Ocean Pines (Maryland) | 630.18 mi (1,014.18 km) |
| South Bend to Ocean Pointe (Hawaii) | 4,328.40 mi (6,965.89 km) |
| South Bend to Ocean Springs (Mississippi) | 791.06 mi (1,273.10 km) |
| South Bend to Oceanside (California) | 1,788.42 mi (2,878.19 km) |
| South Bend to Oceanside (New York) | 660.56 mi (1,063.06 km) |
| South Bend to Ocoee (Florida) | 943.25 mi (1,518.02 km) |
| South Bend to Oconomowoc (Wisconsin) | 150.19 mi (241.71 km) |
